Keller also co-hosts Jonesy & Amanda with Brendan Jones on Gold 101.7 and Dancing with the Stars with Grant Denyer on Network 10.

Keller attended Carlingford High School and Mitchell College of Advanced Education (now Charles Sturt University), where she graduated with a Bachelor of Arts in Communications in 1982.

Keller’s first professional media job was in 1983 as a researcher for the popular children's television show, Simon Townsend's Wonder World!.

[1] In 1987, she left Midday to appear in the pilot for Richard Neville's counter-culture programme Extra Dimensions, which was produced by the same team that made Beyond 2000.

[4] In 2008, she starred in the SBS TV series Swift and Shift Couriers as Amanda Doyle, the Regional Manager, and returned to this role for season two in 2011.

[6] Also in that same year, she made a cameo appearance as a news reporter in episode 7547 of The Bold and the Beautiful alongside Brendan Jones and Ita Buttrose.